3D viewer - Amati auctions

Goffriller · October 27, 2020

Hi everyone,

Does anyone know what programs and setup Amati uses for the 3D rotation of the instruments (or what can be used to get a similar result)? It seems that this tool is very useful now given less people are able to try and inspect the instruments in person because of the pandemic.

Thanks!

Mike B · October 27, 2020

The viewer is super simple - here is the code. It literally loads all the photos necessary for a 360 degree view.

martin swan · October 27, 2020

8 hours ago, Goffriller said:

Hi everyone,

Does anyone know what programs and setup Amati uses for the 3D rotation of the instruments (or what can be used to get a similar result)? It seems that this tool is very useful now given less people are able to try and inspect the instruments in person because of the pandemic.

Thanks!

I don’t think the coding is complicated - the issue is rotating the violin by a controlled amount.

This is not a methodology that has been widely adopted, and I can’t imagine us doing so in future.

With all due respect to Amati for innovation, I think it’s a bit like sound samples ie. it gives a sense that useful information is being shared without the information actually being useful.

Blank face · October 27, 2020

9 hours ago, Goffriller said:

what can be used to get a similar result

Put it on a turntable and make a slow-mo video.

TJ Fuss · October 27, 2020

Somewhere... buried in my basement is a turntable made expressly for these kinds of shots. It has detent notches to provide fixed increments of rotation.

martin swan · October 27, 2020

How do you keep the instrument stable without the mechanism being visible?

Blank face · October 27, 2020

24 minutes ago, martin swan said:

How do you keep the instrument stable without the mechanism being visible?

I would make a sort of plexiglass stand. Visibility isn’t an issue IMO, it rather proves that it‘s real and not a computer generated illusion.

Or hold it upright with a string at the volute.

TJ Fuss · October 27, 2020

2 hours ago, martin swan said:

How do you keep the instrument stable without the mechanism being visible?

I've used blobs of wax to hold stuff in place for photographing. There are "positioning" waxes available from jewelry making suppliers but it's rather pricey. I found that a mix of 50% beeswax and 50% toilet sealing wax (use a fresh ring) is firm but pliable and sticky.

Violadamore · October 27, 2020

19 hours ago, Goffriller said:

Hi everyone,

Does anyone know what programs and setup Amati uses for the 3D rotation of the instruments (or what can be used to get a similar result)? It seems that this tool is very useful now given less people are able to try and inspect the instruments in person because of the pandemic.

Thanks!

They are using SpriteSpin. http://spritespin.ginie.eu/

Here's the code project on Github, https://github.com/giniedp/spritespin

Goffriller · October 28, 2020

Thanks everyone! Really appreciate this

TimRobinson · October 28, 2020

My youngest daughter is an archaeologist and uses Agisoft Metashape for everything from megalithic temples to stone flakes. I've often thought it would be good for violins.

https://sketchfab.com/M_Robinson/collections

If you saw a recent National Geographic documentary Chasing the equinox the 3D model of the Maltese temple was hers.

Regards,

Tim

Bill Merkel · October 28, 2020

18 hours ago, TJ Fuss said:

I've used blobs of wax to hold stuff in place for photographing.

That's a skillful photo. Are you a commercial photographer?

Bill Merkel · October 28, 2020

23 hours ago, martin swan said:

I don’t think the coding is complicated

What's complicated about music -- just stick a CD in a player.

jacobsaunders · October 28, 2020

Astonishing, how many computer experts there are on Maestronet. Just imagine there were as many violin experts!

TJ Fuss · October 28, 2020

4 hours ago, Bill Merkel said:

That's a skillful photo. Are you a commercial photographer?

Thank you, Bill! Yes, I am a commercial photographer with my specific niche serving artists and craftspeople making images for their promotional needs and for their applications to juried shows. This is a second career of 15 years now after 24 years as an engineer with Eastman Kodak. Sadly, things are pretty slow right now because all of the shows were cancelled this year (and next year isn't looking so good either). On the plus side, I have a lot of time now to work on my instrument repair projects!

Should anyone care to look, a wide variety of my images may be seen on Flickr at: www.flickr.com/tjfuss/

3D viewer - Amati auctions

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